Muscle contraction that results in a change in joint angle is called <span>concentric contraction.
This contraction occurs when enough force that can overcome the resistance applied is developed by the muscle where this force developed is larger than the force of the resistance applied.</span>
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This is called a sinkhole.
Sinkholes are basically black holes in the ground, they can be hundredths of feet to only a few.
Gypsy moths are consumers because they consume flower nectar and juice from rotten fruits.
Answer:
The following that is true about the statements is letter A, Both (A ) and (R) are true, but (R) is not the correct explanation of A.
Explanation:
A mutagen is any physical, chemical or biological agent that, when exposed to cells, is capable of inducing a mutation, that is, damage to the DNA molecule that is not repaired at the time of cell replication, and is passed on to subsequent generations.
With that being said, Radiation, UV light, and chemicals are exemples of mutagens.
Examples of mutation would be: gene or chromosomal mutations. Gene mutations can be by substitution, insertion or deletion; on the other hand, chromosomal mutations can be structural or numerical.
See more about genetics at: brainly.com/question/13049663
